android Web Service

最新推荐文章于 2021-12-25 13:45:48 发布

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最新推荐文章于 2021-12-25 13:45:48 发布

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分类专栏： android学习文章标签： android web service

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本文介绍如何使用ksoap2-android库调用WebService查询手机号码的归属地信息，并提供了具体的代码实现步骤，包括设置WebService的命名空间、URL、方法名、传输对象等。

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Web Service

Web Service简介

Web Service用于消除不同平台、不同语言之间的实现差异，将现有的应用程序发布成开放式服务，从而允许互联网上的任何地方、任何平台、任何语言的应用程序来访问该服务。

www.webxml.com.cn

通过ksoap2-android-assembly-2.5.2-jar-with-dependencies.jar

一、

1、定义Web Service的命名空间

String SERVICE_NS = "http://WebXml.com.cn/";

2、定义Web Service提供服务的URL

String SERVICE_URL = "http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx";

3、设置调用的方法

String methodName = "getMobileCodeInfo";

4、创建HttpTransportSE传输对象

HttpTransportSE ht = new HttpTransportSE(SERVICE_URL);

ht.debug = true;

5、使用SOAP1.1协议创建Envelop对象

SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(

SoapEnvelope.VER11);

6、实例化SoapObject对象

SoapObject soapObject = new SoapObject(SERVICE_NS, methodName);

7、添加一个请求参数

soapObject.addProperty("mobileCode",mobile.getText().toString());

envelope.bodyOut = soapObject;

8、设置与.Net提供的Web Service保持较好的兼容性

envelope.dotNet = true;

9、调用Web Service

ht.call(SERVICE_NS + methodName, envelope);

10、获取服务器响应返回的SOAP消息

if (envelope.getResponse() != null) {

// 获取服务器响应返回的SOAP消息

SoapObject result = (SoapObject) envelope.bodyIn;

//解析服务器响应的SOAP消息。

return result.getProperty(0).toString();

}

11、解析服务器响应的SOAP消息

result.getProperty(0).toString();

例：

package com.example.haoma;

import java.io.IOException;

private String getServiceMobile(){

// 定义Web Service的命名空间

String SERVICE_NS = "http://WebXml.com.cn/";

// 定义Web Service提供服务的URL

String SERVICE_URL = "http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx";

// 调用的方法

String methodName = "getMobileCodeInfo";

// 创建HttpTransportSE传输对象

HttpTransportSE ht = new HttpTransportSE(SERVICE_URL);

ht.debug = true;

// 使用SOAP1.1协议创建Envelop对象

SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(

SoapEnvelope.VER11);

// 实例化SoapObject对象

SoapObject soapObject = new SoapObject(SERVICE_NS, methodName);

// 添加一个请求参数

soapObject.addProperty("mobileCode",mobile.getText().toString());

//soapObject.addProperty("userID","");

envelope.bodyOut = soapObject;

// 设置与.Net提供的Web Service保持较好的兼容性

envelope.dotNet = true;

try {

// 调用Web Service

ht.call(SERVICE_NS + methodName, envelope);

if (envelope.getResponse() != null) {

// 获取服务器响应返回的SOAP消息

SoapObject result = (SoapObject) envelope.bodyIn;

// SoapObject detail = (SoapObject) result.getProperty(methodName + "Result");

// 解析服务器响应的SOAP消息。

return result.getProperty(0).toString();

}

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

Toast.makeText(getApplicationContext(), "shucuo", 1).show();

}catch (XmlPullParserException e) {

// TODO: handle exception

e.printStackTrace();

}

return null;

}

自己实现XML的解析等操作

1、拷贝Web Service中的SOAP

package com.example.webserviceweather;

import java.io.ByteArrayOutputStream;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import org.xmlpull.v1.XmlPullParser;

import android.util.Xml;

public class AdressService { //获取手机号归属地

//返回手机号对应的归属地

public static String getAddress(String mobile)throws Exception{

String soap = readSoap();

//替换掉mobile

soap = soap.replaceAll("\\$mobile", mobile);

//得到字节数据

byte[] entity = soap.getBytes();

// 确定要请求的Web Service API所在的路径

String path ="http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx";

//包装成一个URL对象

URL url = new URL(path);

//打开一个HTTP协议的

HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setConnectTimeout(5000);

conn.setRequestMethod("POST");

conn.setDoOutput(true);

conn.setRequestProperty("Content-Type", "application/soap+xml; charset=utf-8");

conn.setRequestProperty("Content-Length", String.valueOf(entity.length));

conn.getOutputStream().write(entity);

if(conn.getResponseCode() == 200){

return parseSOAP(conn.getInputStream());

}

return null;

}

private static String parseSOAP(InputStream xml) throws Exception{

XmlPullParser pullParser = Xml.newPullParser();

pullParser.setInput(xml,"UTF-8");

int event = pullParser.getEventType();

while(event != XmlPullParser.END_DOCUMENT){

switch(event){

case XmlPullParser.START_TAG:

if("getMobileCodeInfoResult".equals(pullParser.getName())){

return pullParser.nextText();

}

break;

}

event = pullParser.next();

}

return null;

}

//读取SOAP协议的内容

private static String readSoap() throws Exception {

InputStream inStream = AdressService.class.getClassLoader().getResourceAsStream("soap12.xml");

ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

byte[] buffer = new byte[1024];

int len = 0;

while( (len = inStream.read(buffer)) != -1){

outputStream.write(buffer, 0, len);

}

inStream.close();

byte[] data = outputStream.toByteArray();

return new String(data);

}